{𝐔𝐧𝐝𝐞𝐫𝐬𝐭𝐚𝐧𝐝𝐢𝐧𝐠 𝐭𝐡𝐞 ‘𝐛𝐥𝐚𝐜𝐤𝐧𝐞𝐬𝐬’ 𝐨𝐫 ‘𝐝𝐚𝐫𝐤𝐧𝐞𝐬𝐬’ 𝐨𝐟 𝐬𝐤𝐢𝐧 𝐜𝐨𝐥𝐨𝐮𝐫 𝐛𝐞𝐢𝐧𝐠 𝐚𝐬𝐬𝐨𝐜𝐢𝐚𝐭𝐞𝐝 𝐰𝐢𝐭𝐡 𝐏𝐫𝐞-𝐈𝐬𝐥𝐚𝐦𝐢𝐜 ‘𝐀𝐫𝐚𝐛𝐬 𝐚𝐧𝐝 ‘𝐀𝐫𝐚𝐛𝐬 𝐢𝐧 𝐠𝐞𝐧𝐞𝐫𝐚𝐥} We first have to unders

{𝐔𝐧𝐝𝐞𝐫𝐬𝐭𝐚𝐧𝐝𝐢𝐧𝐠 𝐭𝐡𝐞 ‘𝐛𝐥𝐚𝐜𝐤𝐧𝐞𝐬𝐬’ 𝐨𝐫 ‘𝐝𝐚𝐫𝐤𝐧𝐞𝐬𝐬’ 𝐨𝐟 𝐬𝐤𝐢𝐧 𝐜𝐨𝐥𝐨𝐮𝐫 𝐛𝐞𝐢𝐧𝐠 𝐚𝐬𝐬𝐨𝐜𝐢𝐚𝐭𝐞𝐝 𝐰𝐢𝐭𝐡 𝐏𝐫𝐞-𝐈𝐬𝐥𝐚𝐦𝐢𝐜 ‘𝐀𝐫𝐚𝐛𝐬 𝐚𝐧𝐝 ‘𝐀𝐫𝐚𝐛𝐬 𝐢𝐧 𝐠𝐞𝐧𝐞𝐫𝐚𝐥} We first have to unders